Home / 1,352,585.39-1,867,832.26-869,988.30

Finding the Fourth Proportional to 1,352,585.39, 1,867,832.26 and 869,988.30

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Solution

The fourth proportional to 1,352,585.39, 1,867,832.26 and 869,988.30 is: 1,201,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,585.39 : 1,867,832.26 = 869,988.30 : x
  2. Step 2: Convert to fraction form
    1,352,585.39/1,867,832.26 = 869,988.30/x
  3. Step 3: Cross multiply
    1,352,585.39x = 1,867,832.26 × 869,988.30
  4. Step 4: Simplify right side
    1,352,585.39x = 1,624,992,203,383.22
  5. Step 5: Solve for x
    x = 1,624,992,203,383.22/1,352,585.39
  6. Step 6: Final answer
    x = 1,201,397.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.